Sony MHC-V73D Help Manual page 123

Help Guide
Home Audio System
MHC-V73D
About Self-diagnosis function
When the self-diagnosis function is activated, a service number appears on the TV screen or the display. The service
number consists of an alphabet and numerals (e.g. C 13 50). See the following table for the cause and corrective action.
First 3 characters of the
service number
C 13
C 31
E XX
(XX is a number)
Related Topic
Hooking up TV
This disc is dirty.
Clean the disc with a soft cloth.
The disc is not inserted correctly.
Turn off the system, then turn it back on again. Then re-insert the disc correctly.
To prevent a malfunction, the system has performed the self-diagnosis function.
Contact your nearest Sony dealer or local authorized Sony service facility and give
the 5-character service number.
Example: E 61 10
5-014-121-11(1) Copyright 2020 Sony Corporation
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Cause and corrective action